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Printed Pages: 6 NCE5O4IECE5O4

(sEM. \0 THEORY EXAMINATION, 2015-16

STRUCTURAL ANALYSIS-2

[Time:3 haurs] [MaximumMarks:100]

Section-A

1. Attempt all parts . All parts canTi equal marks. Writeanswer of all part in short . (2x10:20)

(a) What is meant by relative stiffnes of a member?

(b) Define shape factor.

(c) State Muller Breslau's Principle for ILD.

(d) Define flexibility coefficient.

18200 (1) P.T.O,

(Following Paper ID and Roll No. to be filled in your

RollNo.

B.TECII.

rI

ri.

t

(e) What if the value of stiffness coefficientcoffespondrng to rotation ofpropped end in Fig. l ?

(0

(e)

A, ;>1Ih{$*-E-L%B

(2)

What is distribution factor?

What i s degree of static and kinematicindeterminacy in following frame ofFig.2?

C

il Fig-z

Name any three force methods for analysis ofstructure

What is the expression f-or cornputing length of acable for horizorital span 'I' and central dip 'h'whenboth supports arc atsame level?

Draw ILD for BM at a section at x meters fromleft support of a two hinge parabolic arch of span'['and rise 'h'.

Fig -1

NCEsO4IECE504

(h)

(i)

0)

18200

Section-B

Attempt any five questions from this section.(10x5:50)

2. Using the method of consistent deformation determine

the reaction of a propped cantilever beam shown in Fig.3

stiffness(k) of spring is 800kN lm and EI of beam is

3 x l0rokNirnm2

B

f, Fig -3

Find support moments for the beam shown in Fig. Aby

slope deflection method.

|*** er.n **_-*:l$"5ffi1.+*1.5ffi*q Fig "4

4. Prove that horzontal thrust developed due to a point load

W acting at crown in a two hinged semicircular arch ofradius 'R' is independent of its radius. Consider EI as

constant.

3.

18200 (3) P.T.O.

-***---.1 [+*161-*

15kl{lm

l*** e,.,, **-.+{$"sffi1+*1.5ffi*q

rI

I

i

5. Draw the influence line diagram for Mo and Mu for the

uniform cross-section rigid joint frame shown in Fig.

5. The unit load crosses the frame fiom A to B.

?.5m

Fig -5

A cable is suspended between two points at the same

level with a central dip of l2mover a span of 120 m and

carries a uniformly distributed load of intensity 2 kN/m

of horizontal length. Calculate the change in the

horizontal tension if the temperature rises by 2A 0F from

L

-.t

Fig -s

7 . Using flexibility matrix method find reaction at supports

in following beam of Fig.6. Take EI as constant.

6.

r 82oo (4) NCEsO4/ECE5O4

wlm

rf-I

;

8. Find shape factor ofhollow circular section as shown inFig7.

IffiIFs7Find plastic moment capacity of following beam in Fig.8.

Take load factor of 1.5. The loads acting on beam are

working loads.

4*kN eskfit

3m 2m

Fig I

Section-C

Attempt any two questions fiom this section. (15x2:30)

10. Analyze the beam shown in Fig.9 by stiffness matrix

method. Take EI as constant.

6kN/m,{

c Figs

9.

18200 (s) P.T.O.

L0kN

11. A suspension bridge of 100 m span has two three hinged

stiffening girder supported by two cables having central

dip 10m. The dead load on bridge is 5 kN/m2 , and live

load is 10 kN/m? which covers left half of span only.

Find SF and BM at} mfrom left end if road way is 6m

wide.

Analyze the frame shorvn in Fig. 10 by moment

distribution method. Take EI as constant.

12.

40kN

+

I

{<- 3m ---*

1 8200

-x-

(6)

Fig -3.0

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